Blazing-fast language detection for Ruby provided by Google Chrome's Compact Language Detector.
require 'cld'
CLD.detect_language("This is a test")
# => {name: "ENGLISH", code: "en", reliable: true}
CLD.detect_language("plus ça change, plus c'est la même chose")
# => {name: "FRENCH", code: "fr", reliable: true}
gem install cld
Thanks to the Chrome authors, and to Mike McCandless for writing a Python version.
Licensed the same as Chrome. Jason Toy